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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2527616153

Certificate GIA 2527616153

Diamond specifications and retailer prices

From $2,682 USD
Save $4,429 USD (62%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $7,111 USD at NZ Jewellers
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527616153. Listed at 29 retailers, with prices from $2,682 to $7,111 at NZ Jewellers, a $4,429 spread on the same certified stone. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.84°
Pavilion angle33.19°
OriginNatural
Grading LabGIA
CertificateGIA 2527616153
Dimensions7.11 × 5.67 × 4.00 mm
L/W Ratio1.25
Top View
7.11 mm5.67 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527616153
Side View
Table 68.0%Crown 48.84°Girdle: VTH-ETHPavilion 33.19°Culet: NoneDepth 70.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $7,111 USD|Low: $2,682 USD|High: $7,111 USD|Avg: $4,083 USD
NZ Jewellers
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Retailer 29
October 1, 2026
Retailer 3$2,682 USD
Retailer 27$3,128 USD
Retailer 18$3,138 USD
Retailer 16$3,216 USD
Retailer 4$3,230 USD
Retailer 17$3,283 USD
Retailer 10$3,666 USD
Retailer 9$3,673 USD
Retailer 5$3,698 USD
Retailer 29$3,698 USD
Retailer 15$3,698 USD
Retailer 8$3,702 USD
Retailer 12$3,834 USD
Retailer 13$3,840 USD
Retailer 28$3,948 USD
Retailer 26$4,023 USD
Retailer 22$4,025 USD
Retailer 23$4,030 USD
Retailer 11$4,097 USD
Retailer 24$4,140 USD
Retailer 20$4,180 USD
Retailer 21$4,180 USD
Retailer 6$4,267 USD
Retailer 19$4,320 USD
Retailer 2$4,435 USD
Retailer 14$4,857 USD
Retailer 7$5,900 USD
Retailer 25$6,909 USD
NZ Jewellers$7,111 USD

20 data points across 29 retailers

29 retailers$2,682 USD to $7,111 USD

A
Cheapest Retailer
-
$2,682 USD
A
Retailer 2
-
$3,128 USD
View
A
Retailer 3
-
$3,138 USD
View
A
Retailer 4
-
$3,216 USD
View
A
Retailer 5
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$3,230 USD
View
A
Retailer 6
-
$3,283 USD
View
A
Retailer 7
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$3,666 USD
View
A
Retailer 8
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$3,673 USD
View
A
Retailer 9
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$3,698 USD
View
A
Retailer 10
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$3,698 USD
View
A
Retailer 11
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$3,698 USD
View
A
Retailer 12
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$3,702 USD
CA$5,142 CAD
View
A
Retailer 13
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$3,834 USD
A$5,898 AUD
View
Retailer 14
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$3,840 USD
View
A
Retailer 15
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$3,948 USD
View
A
Retailer 16
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$4,023 USD
View
A
Retailer 17
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$4,025 USD
View
A
Retailer 18
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$4,030 USD
£3,173 GBP
View
A
Retailer 19
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$4,097 USD
View
A
Retailer 20
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$4,149 USD
£3,267 GBP
View
A
Retailer 21
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$4,180 USD
View
A
Retailer 22
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$4,180 USD
View
A
Retailer 23
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$4,267 USD
View
A
Retailer 24
-
$4,320 USD
View
Price last confirmed 12 days ago
A
Retailer 25
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$4,435 USD
€4,224 EUR
View
B+
Retailer 26
-
$4,857 USD
ZAR 78,469 ZAR
View
Price last confirmed 43 days ago
B+
Retailer 27
-
$5,900 USD
View
B
Retailer 28
-
$6,909 USD
£5,440 GBP
View
Most Expensive
B
NZ Jewellers
71816e8c-fbb2-44c5-a928-9fc3b787d8de · Sep 30
$7,111 USD
View
28 more retailers have this diamond
Prices start from $2,682 USDSave up to $4,429 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
1.51ct Radiant
$2,682 USD